This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A321538 #16 Dec 16 2018 20:28:02 %S A321538 0,0,0,0,0,0,0,0,0,0,0,11,0,0,0,0,0,0,0,0,0,0,22,0,0,0,0,0,0,0,0,0,0, %T A321538 33,0,0,0,0,0,0,0,0,0,0,44,0,0,0,0,0,0,0,0,0,0,55,0,0,0,0,0,0,0,0,0,0, %U A321538 66,0,0,0,0,0,0,0,0,0,0,77,0,0,0,0,0,0,0,0,0,0,88,0,0,0,0,0,0,0,0,0,0,99,0,0,0,0,0,0,0,0,0,0,11,111,11,11,11,11,11,11,11,11,0,0,22,0 %N A321538 a(n) = A321536(A321537(n)). %C A321538 More than the usual number of terms are shown in order to reach some interesting terms. %C A321538 Fixed points correspond to 0 alongside A033023. - _Rémy Sigrist_, Nov 16 2018 %H A321538 Rémy Sigrist, <a href="/A321538/b321538.txt">Table of n, a(n) for n = 0..10000</a> %F A321538 Delete a digit A in n if it either forms a run of length 1 or begins a substring AwAA, where w consists of runs of length 1. - _Charlie Neder_, Dec 16 2018 %Y A321538 Cf. A033023, A321536, A321537. %Y A321538 A base-10 analog of A318925. %K A321538 nonn,base,look %O A321538 0,12 %A A321538 _N. J. A. Sloane_, Nov 13 2018